162 OHIO BIOLOGICAL SURVEY 



583. Tripliora trianthophora (Sw.) Rydb. Nodding Tripliora. Hu- 



ron, Cuyahoga, Wayne, Summit, Stark, Licking, Franklin, 

 Ross, Clark. 



584. Arethusa bulbosa L. Arethusa. Licking, Portage. 



585. Limodorum tuberosum L. Limodorum. Fulton, Lucas, Erie, 



Geauga, Portage, Summit, Ashland, Stark, Clark, Fairfield, 

 Licking, Wayne. 



586. Ibidium strictum (Rydb.) House. Hooded Lady 's-tresses. Ash- 



tabula County. 



587. Ibidium plantagineum (Raf.) House. Broadleaf Lady 's-tresses. 



Medina, Portage. 



588. Ibidium cernuum (L.) House. Nodding Lady 's-tresses. Erie, 



Lorain, Cuyahoga, Medina, Portage, Stark, Lake, Licking. 



589. Ibidium ovale (Lindl.) House. Small-flowered Lady 's-tresses. 



No specimens. 



590. Ibidium praecox (Walt.) House. Grass-leaf Lady 's-tresses. 



Wayne County. 



591. Ibidium beckii (Lindl.) House. Little Lady 's-tresses. Fairfield 



County. 



592. Ibidium gracile (Bigel.) House. Slender Lady 's-tresses. Erie, 



Cuyahoga, Lake, Licking, Muskingum, Fairfield, Hocking, 

 Adams, Gallia, Morgan. 



593. Peramium puliescens (Willd.) MacM. Downy Rattlesnake- 



plantain. Adams, Hocking, Lake, Fairfield, Highland, 

 Wayne, Noble, Portage. 



594. Malaxis unifolia Mx. Green Addermouth. Fairfield, Hocking, 



Wayne. 



595. Liparis liliifolia (L.) l^ich. Lai-ge Twayblade. Portage, Frank- 



lin, Fairfield, Clark, Wayne. 



596. Liparis loeselii (L.) Rich. Fen Twayblade. Champaign, Cuya- 



lioga, Summit, Stark. 



597. Tipulai-ia unifolia (Muhl.) B. S. P. Crane-fly Orchis. Medina, 



(Lorain, Cuyahoga — 01)erlin College Herbarium). 



598. Aplectrum hyemale (Muhl.) Torr. Putty-root. General. 



599. Corallorrhiza corallorrldza (L.) Karst. Early Coral-root. No 



specimens. 



600. Coralloi ihi/.a iiuM-iilata Raf. Large Coral-root. Erie, Huron, 



Cuy;:!!eg;!, Wayne. Fail field, Franklin, Gallia, Xoble. 



